FEETECH HL-3950-C001 Servo Motor
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FEETECH HL-3950-C001 Servo Motor
The Feetech HL3950C001 is an industrial-grade 12V serial port smart bus servo engineered for precision robotics, automation, and demanding joint mechanisms. Housed in a premium all-aluminum alloy shell, it features a high-efficiency coreless motor, an ultra-durable steel gearbox, and a versatile double shaft configuration, all driven by a proprietary RS485/TTL control board and a high-precision magnetic coding sensor. Supporting $0\text{--}360^\circ$ omnidirectional control, it switches seamlessly between closed-loop absolute positioning, load-compensating constant speed regulation, and direct current constant torque control. With comprehensive real-time telemetry feedback—including position, speed, voltage, current, temperature, and load—the HL3950C001 provides advanced protection and versatile multi-turn motion control for mission-critical systems.
| PRODUCT PARAMETERS | |
| Model | HL-3950-C001 |
| Product Name | 12V 50kg.cm Coreless Motor Double Shaft Constant Force Servo |
| Storage Temperature Range | -30℃~80℃ |
| Operating Temperature Range | -20℃~60℃ |
| Temperature Range | 25℃ ±5℃ |
| Humidity Range | 65%±10% |
| Size | A: 45.22mm B: 24.72mm C: 35mm |
| Weight | 74.5± 1g |
| Gear type | steel Gear |
| Limit angle | No limit |
| Bearing | Ball bearings |
| Horn gear spline | 25T/OD5.9mm |
| Gear Ratio | 1/345 |
| Case | Aluminium |
| Connector wire | 15CM |
| Motor | Coreless Motor |
| Rated Input Voltage | 9V-12.6V |
| No load speed | 0.133sec/60°(75RPM)@12V |
| Runnig current(at no load) | 330mA@12V |
| Peak stall torque | 50kg.cm@12V |
| Stall current | 2.4A@12V |
| Rated Load | 12.5kg. cm@12V |
| Rated current | 600mA@12V |
| KT constant | 20.8kg. cm/A |
| Terminal resistance | 1.2 Ω |
| Operating Modes | Mode 0: Angle servo mode (default mode, absolute position controllable from 0-360 degrees) Mode 1: Motor constant speed mode (motor constant speed mode, maintains speed without deceleration as the load increases) Mode 2: Motor constant current mode (motor constant current mode,maintains current without decreasing with increasing load) can achieve absolute position |
| Constant force output | Set the output torque value, the servo can maintain this torque (input the target torque value corresponding to address 44, the servo can maintain this torque) |
| Multi-Loop Mode | control of positive and negative 7 turns at the highest accuracy, but the umber of power failure turns is not saved (the resolution can be expanded, and the number of turns can be doubled) |
| Command signal | Digital Packet |
| Protocol Type | Half Duplex Asynchronous Serial Communication |
| ID range | 0-253 |
| Communication Speed | 38400bps ~ 1 Mbps |
| Control Algorithm | PID |
| Neutral Position | 180° (2048) |
| Running degree | 360° (when 0~4096) |
| Resolution [deg/pulse] | 0.088°(360°/4096) |
| Rotating Direction | Clockwise(0→4096) |
| Feedback | Load, Position, Speed, Input Voltage, Current, Temperature |